Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RDM-820-NF-3W-114 ITEM 40 found under Spring Helical Comp by Metrex Valve Corp. The National Stock Number assigned to this part is 5360013894328, and the Federal Supply Class is 5360 Coil Flat Leaf And Wire Springs. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RDM-820-NF-3W-114 ITEM 40.